Many months of tweaks bundled into one commit:
 * .bash/aliases  Formatted bash aliases
 * .bash/commands Removed many commands and added two of my own
 * .bash/path     Added opt/ruby and ~/bin to PATH
 * .bash/extra    Added ARM gcc toolchain to extras
 * .bash/prompt   Remove custom colors based on error code
 * .bash/shell    Add globstar, remove noclobber, import unlimited history settings
 * .bash_profile  Remove rvm sourcing from .bash_profile
 * .gitconfig     Add signing to gitconfig
 * .vimrc         Remove relative line numbers, set timeoutlen to remove delays
 * .tmux.conf     Enable mouse mode for tmux
 * bin/osx        Don't show hidden files by default